Current members cannot speak for everyone outside.
A choir-access review found that its underlying studies concerned current members. That leaves important gaps around people who never joined and people who left; the same question matters when reading band surveys.
Read the source notes: Jodie Bloska; Lauren Godier-McBard; Helen Odell-Miller; Alexander Creamer; Hannah Merchant; Matt Fossey (2025); Tyler C. King (2009).